What is the public key ( public key )?

public key What is it?

A public key or public key is a type of cryptographic information generated by mathematically computing the private keys ( private key ). The important point is that users can share public key , with anyone, openly without compromising their digital assets. Because the mathematics of double-key encryption makes it impossible in practice to retrieve from public key .

What about the wallet address?

In most cryptocurrencies, including Ethereum , the wallet address ( wallet address ) that we share with someone else to receive coins is created from another public key , often through conversion by additional hashing. This means that when we say "transfer coins to an address", the address goes back to public key and then public key .

How does this system help to make a business credible without having an intermediary?

A public/private key pair is the heart that allows transactions on a blockchain to be verified without relying on any federal agency. The mechanism is that the transaction will be "signed" with private key so everyone in the network can use the compatible public key to check whether the signature is valid or not, without needing to know anything about private key .

What should be remembered for new users

A simple summary of the process is that exchanging a wallet address or public key to receive coins is considered secure, but an exchange number such as private key and seed phrase isn't safe at all. Although both are collectively called "keys", they have completely different functions.